nextwo sides clashed again week in madrid. u.s. defense secretary chuck hagel said on thursday it was likely that the syrian government had used chemical weapons in its fight against the rebels. >> the u.s. intelligence community assesses with some degree of varying confidence that the syrian regime has used chemical weapons on a small scale in syria, specifically the chemical agent sarin. >> it could increase the pressure on washington to take action. that outlined any use of chemical weapons as a red line. this week, the casualties include a moscow, which was destroyed. it is one of the world's oldest and eight unesco world heritage site. europe, meanwhile, worried about possibly hundreds of radicalized europeans join the ranks of syrian rebels. fiers that extremists could join groups like al qaeda and bring their ideology braque to europe prompted calls for greater surveillance. nothese individuals are just a danger of rot. they are also a danger to germany, and that is why we must watch them closely. >> the german interior mini